Final answer:
The Picture dialog box is opened by clicking Pictures in the Illustrations group on the INSERT tab, which allows users to drag and drop images into their documents.
Step-by-step explanation:
The Picture dialog box is displayed by clicking Pictures in the Illustrations group on the INSERT tab. This functionality is part of many word processing and presentation programs, such as Microsoft Word and PowerPoint. When you want to add an image to your document or presentation, you can use the drag and drop feature to conveniently add pictures. You simply need to drag one or more image files from your computer and drop them onto your browser window or program interface to add them to your page.